81729092069990400

81,729,092,069,990,400 is an even composite number composed of seven prime numbers multiplied together.

What does the number 81729092069990400 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 4536 divisors.

81729092069990400 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four thousand, five hundred thirty-six divisors.

Prime factorization of 81729092069990400:

213 × 3 × 52 × 72 × 292 × 312 × 3359

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 7 × 7 × 29 × 29 × 31 × 31 × 3359)

See below for interesting mathematical facts about the number 81729092069990400 from the Numbermatics database.


Names of 81729092069990400

  • Cardinal: 81729092069990400 can be written as Eighty-one quadrillion, seven hundred twenty-nine trillion, ninety-two billion, sixty-nine million, nine hundred ninety thousand, four hundred.

Scientific notation

  • Scientific notation: 8.17290920699904 × 1016

Factors of 81729092069990400

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 23
  • Sum of prime factors: 3436

Divisors of 81729092069990400

Bases of 81729092069990400

  • Binary: 1001000100101110000101101000111001010010110100000000000002
  • Hexadecimal: 0x1225C2D1CA5A000
  • Base-36: MCQJMKJUJ9C

Squares and roots of 81729092069990400

  • 81729092069990400 squared (817290920699904002) is 6679644490584967686332256092160000
  • 81729092069990400 cubed (817290920699904003) is 545921279565822947607114223077174255512715264000000
  • The square root of 81729092069990400 is 285883004.1642741657
  • The cube root of 81729092069990400 is 433969.1839452993

Scales and comparisons

How big is 81729092069990400?
  • 81,729,092,069,990,400 seconds is equal to 2,598,732,323 years, 7 weeks, 3 days, 21 hours, 20 minutes.
  • To count from 1 to 81,729,092,069,990,400 would take you about seven billion, seven hundred ninety-six million, one hundred ninety-six thousand, nine hundred sixty-nine years!

    This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

  • A cube with a volume of 81729092069990400 cubic inches would be around 36164.1 feet tall.

Recreational maths with 81729092069990400

  • 81729092069990400 backwards is 00409996029092718
  • 81729092069990400 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 81729092069990400's digits is 75
  • More coming soon!

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"Number 81729092069990400 - Facts about the integer". Numbermatics.com. 2024. Web. 22 May 2024.

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Numbermatics. (2024). Number 81729092069990400 - Facts about the integer. Retrieved 22 May 2024, from https://numbermatics.com/n/81729092069990400/

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The information we have on file for 81729092069990400 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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